JB/T 79.1-1994 Raised face integral cast steel pipe flange

This standard replaces JB 79-59. JB/T 79.1-1994 Raised surface integral cast steel pipe flange JB/T79.1-1994 Standard download and decompression password: www.bzxz.net

Machinery Industry Standard of the People's Republic of China
Raised integral cast steel pipe flange
1 Subject content and applicable scope
.IB/T 79.1.--94
Replaced JB79·59
This standard specifies the type and size of raised face integral cast steel pipe flanges with a nominal pressure PN of 1.6.2.5.4.0MPa. This standard is applicable to raised faces with a nominal pressure PN1.6~~4.0MPa. Integral cast steel pipe flange 2
Quote Biya
JB/T 74:
Pipeline flange
Technical conditions
Flange type and dimensions should comply with the requirements in Figure 1 and Tables 1 to 3. 3
Picture
The technical requirements of method 4 are in accordance with the provisions of JB/T74. 5. The nominal pressure of the flange and the maximum allowable working pressure at different temperatures are in accordance with the provisions of Appendix 13 of JB/T74. The Ministry of Machinery Industry of the People's Republic of China approved the implementation of 19951001 on 1994-12-09
nominal
diameter
Fanguan outer diameter
Series 1/Series 2
140/135
150/145
165/160
185/ 180
200/195
220/215
250/245
285/280
340/335||tt ||365
7157705
1025/1020
1 125/1 1203
Table 1
Connection
Bolt hole
Center circle||tt| |First Path
410| |tt||170
1||tt ||1170
Continue
PN1. 6MPa convex integral cast steel pipe flange size ruler
Screw tie diameter
Series 1/Series 2
14||tt ||14
30| |tt||30
48/54| |tt||48/54
Bolts, studs
Quantity
4.||tt ||8
Thread Th.
Series 1/Series 2
M16|| tt||M16
M20||tt| |M20
M24/M22
M24/M22
M24/M22
M33/M36
M33/M36
M39/M42
M45/M48
M45/M48
Seal simple size
85||tt ||100
265||tt| |295
2| |tt||2
3||tt ||3
Flange
Thickness||tt| |14
34|| tt||36
44| |tt||49
161||tt ||186
—192
22| |tt||2.4
8||tt ||12
100|| tt||125
1000|| tt||1200
蛋外外很
系例1/系系2
105|| tt||115
140/135
150/145
165/160
185/180
200/195
555/550
620/610
670/660
845/840
960/955
1085/1070||tt| |1 185/1 180
1320/1305
1520/1525
1755/1750
JB/T 79.1-94||tt ||表2PN2.5MPa凸面推行手钢管艺机接
螺梓孔
中心圆
diameter
65||tt ||75
550| |tt||600
尺||tt ||軺梁孔化合
系系1/系系2
26/25| |tt||26/25
36/34||tt ||36/41
1640| |tt||58
quantity
8||tt ||8
螺栓、螺柱
螺纹Th.
系系1/系系2
M16||tt| |M16
M24/M22
M24/M22
M24/M22
M24/M22||tt| |M27
M33/M30
M33/M30
M33/M36
M39/M42
M45/M42
M45/M48||tt| |M52
工业面包装
65||tt| |78
610|| tt||718
T||tt| |2
5|| t | ||16
48| |tt||50
72||tt ||578
2||tt ||70
684| |tt||792
12||tt ||12
40| |tt||5
10||tt ||10
18| |tt||337
32|| tt||40
(175)| |tt||200
500| |tt||600
艺外外很
系系1/系系2
95|| tt||105
140/135
150/145
165/160
185/180bzxZ.net
200/195
235/230
450/445||tt| |515/510
580/570
660/655
685/680
995||tt| |1140/1135
JB/T 79. 1--94
表3PN4.0MPa得面最体滨钢管蛋白事动接尺
辺梓孔
中心圆
diameter
110| |tt||125
320||tt ||355
900. |tt||18
26/ 25
軺栓、螺柱
quantity||tt| |4
16|| tt||20
軺纹Th.
系系1/系系2
M16||tt| |M16
M24/M22
M24/M22
M30|| tt||M30
M33/M30
M39/M42
M45/M48||tt| |M45/M48
工业面包装
55| |tt||65
188||tt ||218
3| |tt||3
mm||tt ||艺部
20||tt ||22
76| |tt||39
116||tt ||140
12| |tt||15
28||tt ||28
8| |tt||1
14||tt ||15.小；系列2发动与原机定艺里化发：新电影设计应了上是电影系统1 size。
additional description；
本电影由机电工业部机斯最好化研究是以归口。本标准由添制工业部添加档定化研究品、哈尔滨锅炉厂起草。本梦推下载起草人李俊英，臭桢家。338
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